* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-dark: #0a0a0a;
  --bg-card: #1a1a1a;
  --bg-hover: #252528;
  --accent-1: #a855f7;
  --accent-2: #ec4899;
  --accent-gradient: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
  --text-primary: #f0f0f5;
  --text-secondary: #9898a8;
  --border-color: #2a2a35;
}

body {
  font-family: 'JetBrains Mono', monospace;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

.film-grain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  position: relative;
}

.header {
  text-align: center;
  padding: 50px 20px;
  margin-bottom: 40px;
  background: linear-gradient(180deg, rgba(168, 85, 247, 0.1) 0%, transparent 100%);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
}

.header-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 20px;
}

.clapperboard-icon {
  width: 56px;
  height: 56px;
  color: var(--accent-1);
}

.title {
  font-family: 'Oswald', 'Bebas Neue', sans-serif;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.section-title {
  font-family: 'Oswald', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-align: center;
}

.upload-section {
  margin-bottom: 40px;
}

.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  padding: 60px 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent-1);
  background: rgba(168, 85, 247, 0.05);
}

.upload-icon {
  width: 72px;
  height: 72px;
  color: var(--text-secondary);
  opacity: 0.5;
}

.upload-text {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.upload-subtext {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.upload-formats {
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

.upload-note {
  font-size: 0.7rem;
  color: var(--accent-1);
  opacity: 0.8;
  padding: 4px 12px;
  background: rgba(168, 85, 247, 0.1);
  border-radius: 4px;
}

.preview-container {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  aspect-ratio: 16/9;
}

.preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.remove-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.remove-btn:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.style-section {
  margin-bottom: 40px;
}

.style-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  max-width: 900px;
  margin: 0 auto;
}

.style-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.style-card:hover {
  border-color: var(--accent-1);
  transform: translateY(-2px);
}

.style-card.active {
  border-color: var(--accent-1);
  background: rgba(168, 85, 247, 0.15);
  box-shadow: 0 0 24px rgba(168, 85, 247, 0.25);
}

.style-preview {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 6px;
}

.warm-preview { background: linear-gradient(135deg, #d4a574, #c98747, #8b5a2b); }
.cool-preview { background: linear-gradient(135deg, #4a90a4, #2d6b77, #1a4a5e); }
.noir-preview { background: linear-gradient(135deg, #4a4a4a, #1a1a1a, #000); }
.vintage-preview { background: linear-gradient(135deg, #c9b896, #a89070, #7a6650); }
.scifi-preview { background: linear-gradient(135deg, #00d4ff, #7c3aed, #ff006e); }
.natural-preview { background: linear-gradient(135deg, #7ab893, #5a9472, #3a7450); }
.thriller-preview { background: linear-gradient(135deg, #3a3a4a, #2a2a35, #1a1a20); }
.dream-preview { background: linear-gradient(135deg, #e8d5f0, #c9a0dc, #a080c0); }

.style-name {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
}

.generate-btn {
  display: block;
  width: 100%;
  max-width: 420px;
  margin: 0 auto 50px;
  padding: 18px 40px;
  font-family: 'Oswald', sans-serif;
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-secondary);
  cursor: not-allowed;
  transition: all 0.3s ease;
}

.generate-btn.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  cursor: pointer;
}

.generate-btn.active:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(168, 85, 247, 0.35);
}

.generate-btn:disabled {
  opacity: 0.6;
}

.btn-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

.loader-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loader-progress {
  font-weight: 500;
  background: rgba(0,0,0,0.3);
  padding: 2px 8px;
  border-radius: 4px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.grid-section {
  margin-bottom: 40px;
}

.frames-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 30px;
}

.frame-wrapper {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border-color);
  animation: fadeIn 0.4s ease forwards;
  opacity: 0;
  transform: scale(0.95);
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.frame-canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.frame-wrapper:hover .frame-canvas {
  transform: scale(1.05);
}

.frame-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  padding: 3px 8px;
  background: rgba(0, 0, 0, 0.75);
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.05em;
}

.frame-hover-text {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 8px 8px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  font-size: 0.6rem;
  text-align: center;
  color: var(--text-secondary);
  opacity: 0;
  transition: opacity 0.3s;
}

.frame-wrapper:hover .frame-hover-text {
  opacity: 1;
}

.batch-upscale-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.batch-title {
  font-family: 'Oswald', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 16px;
  text-align: center;
}

.scene-checkboxes {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}

.scene-checkbox {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.scene-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-1);
  cursor: pointer;
}

.scene-checkbox span {
  font-size: 0.65rem;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
}

.batch-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.batch-btn {
  padding: 10px 18px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.batch-btn:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.batch-btn.primary {
  background: var(--accent-gradient);
  border: none;
  color: #fff;
}

.batch-btn.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.batch-btn.accent {
  background: linear-gradient(135deg, var(--accent-2), #f472b6);
  border: none;
  color: #fff;
}

.batch-progress {
  margin-top: 16px;
  text-align: center;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-dark);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-bar.small {
  height: 4px;
  margin-bottom: 4px;
}

.progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0;
}

.progress-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.action-btn svg {
  width: 18px;
  height: 18px;
}

.action-btn.primary {
  background: var(--accent-gradient);
  border: none;
  color: #fff;
}

.action-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(168, 85, 247, 0.3);
}

.action-btn.secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.action-btn.secondary:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.96);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 28px;
  cursor: pointer;
  transition: all 0.2s;
}

.lightbox-close:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 32px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-nav:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.lightbox-nav.prev { left: 20px; }
.lightbox-nav.next { right: 20px; }

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 90vw;
  max-height: 85vh;
}

.lightbox-scene-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.1em;
  padding: 8px 20px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

#lightboxCanvas {
  max-width: 100%;
  max-height: 60vh;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.lightbox-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.resolution-info {
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 6px 14px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 4px;
}

.upscale-buttons {
  display: flex;
  gap: 10px;
}

.upscale-btn {
  padding: 10px 18px;
  background: transparent;
  border: 1px solid var(--accent-1);
  border-radius: 6px;
  color: var(--accent-1);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.upscale-btn:hover {
  background: var(--accent-1);
  color: #fff;
}

.upscale-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.upscale-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.upscale-progress .progress-bar {
  width: 80px;
}

.download-frame-btn {
  padding: 10px 20px;
  background: var(--accent-gradient);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.download-frame-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(168, 85, 247, 0.3);
}

.footer {
  padding: 30px 20px;
  text-align: center;
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
}

.film-strip-footer {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.film-frames {
  display: flex;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.film-frame-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  color: var(--text-secondary);
  padding: 2px 6px;
  background: var(--bg-dark);
  border-radius: 2px;
}

.footer-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer-text a {
  color: var(--accent-1);
  text-decoration: none;
}

.footer-text a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .frames-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .scene-checkboxes {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 600px) {
  .app-container {
    padding: 12px;
  }

  .header {
    padding: 30px 15px;
  }

  .logo-section {
    flex-direction: column;
    gap: 12px;
  }

  .clapperboard-icon {
    width: 40px;
    height: 40px;
  }

  .upload-zone {
    padding: 40px 20px;
  }

  .upload-icon {
    width: 56px;
    height: 56px;
  }

  .style-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .style-card {
    padding: 6px;
  }

  .style-name {
    font-size: 0.5rem;
  }

  .frames-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
  }

  .frame-badge {
    font-size: 0.5rem;
    padding: 2px 5px;
  }

  .scene-checkboxes {
    grid-template-columns: repeat(5, 1fr);
  }

  .batch-actions {
    flex-direction: column;
  }

  .action-bar {
    flex-direction: column;
  }

  .action-btn {
    width: 100%;
    justify-content: center;
  }

  .lightbox-nav.prev { left: 10px; }
  .lightbox-nav.next { right: 10px; }

  .lightbox-scene-badge {
    font-size: 1rem;
  }

  .lightbox-info {
    flex-direction: column;
    gap: 10px;
  }

  .upscale-buttons {
    width: 100%;
    justify-content: center;
  }
}